289345905

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73907}}^1$

素因数の和:73950

約数の個数: 32

約数和(自身を含む): 532137600

約数和(自身を除く): 242791695

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 73907, 221721, 369535, 665163, 1108605, 1995489, 2143303, 3325815, 6429909, 9977445, 10716515, 19289727, 32149545, 57869181, 96448635, 289345905]

約数ペア:

[(1, 289345905), (3, 96448635), (5, 57869181), (9, 32149545), (15, 19289727), (27, 10716515), (29, 9977445), (45, 6429909), (87, 3325815), (135, 2143303), (145, 1995489), (261, 1108605), (435, 665163), (783, 369535), (1305, 221721), (3915, 73907)]